The modelling of biochemical-thermal coupling effect on gas generation and transport in MSW landfill
by Liu Lei; Liang Bing; Xue Qiang; Zhao Ying; Yang Chun
International Journal of Environment and Pollution (IJEP), Vol. 46, No. 3/4, 2011

Abstract: The landfill gas generation was investigated based on the theories of the thermodynamics, microbial dynamics and chemical dynamics. The coupling model was developed for describing the gas transport and heat release. And the relationship between the gas generation rate and the temperature was proposed. The parameters in the gas generation model were obtained by bioreactor test in order to evaluate the volume of gas production of the Erfeishan landfill in China. The simulation results shown that the operating life of the landfill will be overestimated if the model does not consider the thermal effect during degradation of the solid substrate.

Online publication date: Mon, 13-Feb-2012

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